造句：过去进行时句子5个（简单点就好）

I was playing computer last night.
He was looking after his little sister yesterday morning.
She was reading an English book this morning.
They were listening the classical music on 2:00.
My sister was crying this afternoon.

1.I was playing badminton yesterday morning.
2.I was checking my e-mails when you called.
3.We were watching TV when you knocked at the door.
4. I was chatting with a friend on line when my boss walked into my office just now.
5.He was sleeping while everybody was playing this afternoon.